Uma Musume: Cinderella Gray is a spin-off manga/anime entry in the Uma Musume franchise, centered on Oguri Cap and her rise from a local horse-girl racer to a national-level contender. It focuses on a more grounded, competitive sports-drama tone than the main series, while still featuring the franchise’s signature blend of racing, training, and character-driven motivation. The title is commonly used as the main Romanized name for this series.